assorted code clean-ups
diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c
index 101c6f1..69314b2 100644
--- a/src/mesa/shader/shader_api.c
+++ b/src/mesa/shader/shader_api.c
@@ -849,7 +849,6 @@
       ctx->Shader.CurrentProgram = NULL;
    }
 
-   /* XXXX need to handle reference counting here! */
    if (program) {
       struct gl_shader_program *shProg;
       shProg = _mesa_lookup_shader_program(ctx, program);
@@ -916,7 +915,7 @@
       }
    }
    else {
-      const GLfloat *fValues = (const GLfloat *) values; /* XXX */
+      const GLfloat *fValues = (const GLfloat *) values;
       switch (type) {
       case GL_FLOAT_VEC4:
          uniformVal[3] = fValues[3];